Re: [Tinyos-help] [help] The relationship between RSSI and RF power

2010-04-19 Thread Agnelo Silva
we have explanation about both topics when a section that explain how to use WSN sensors to realize RF measurements. http://www.hindawi.com/journals/wcn/2010/620307.abs.html Try to repeat your experiments with a default distance of 5m. Regards, Agnelo Silva Cyber Physical Networking Labo

[Tinyos-help] [OUT-OF-TOPIC] Border Patrol application

2010-01-22 Thread Agnelo Silva
Sorry the out-of-topic message in this forum. I would to know if someone knows about any network solution (commercial or not), WSN-based or not, for Border Patrol. Regards, Agnelo R. Silva ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu

Re: [Tinyos-help] Mica2 (CC1000) Packet loss with 900MHz configuration

2009-10-29 Thread Agnelo Silva
Therefore, these 13 motes are not used in very specialized experiments and I finally considered that the problem is related to the hardware only. Only to confirm: did you checked this erratic behavior for at least 3 different pairs of Mica2? Regards, Agnelo Silva 2009/10/29 Paul Johnson &g

[Tinyos-help] Fwd: Mib520 FT2232C driver installation

2009-08-28 Thread Agnelo Silva
Hi, as pointed out by Razvan, what is the output from the dmesg command when you unplug and plug MIB520? Even without any mote, like MICAz, it should detect automatically the FT2232 chip at the MIB520 informing ttyUSBxx and ttyUSByy (ex.: ttyUSB0 and ttyUSB1). I did not installed anything in XUbun

Re: [Tinyos-help] Statemachines in TinyOS

2009-08-18 Thread Agnelo Silva
Hi Tobias, in my opinnion, a direct representation of a TOS app using FSM is very difficult to be achieved due the "explosion of states", especially in an event-driven/time-based environment. I will comment below about my own experience with TOS and FSMs. Although the use of such representation ta

[Tinyos-help] How to access over 32K address of the Flash memory

2009-08-11 Thread Agnelo Silva
I am using T1 (legacy application) and MICA2. According to the MICA2's datasheet, the measurement/serial flash memory has size 512K bytes. Using the T1 components LoggerRead/Write, it is observed from their interfaces that the "line" argument is limited to uint16_t datatype, which means a possibili

[Tinyos-help] How to access over 32K address of the Flash memory

2009-08-09 Thread Agnelo Silva
I am using T1 (legacy application) and MICA2. According to the MICA2's datasheet, the measurement/serial flash memory has size 512K bytes. Using the interfaces LoggerRead/Write, it is observed that the "line" argument is limited to uint16_t datatype, which means a possibility of addressing 64K memo

[Tinyos-help] TEP 105, B-MAC/LPL and CC1000

2009-07-24 Thread Agnelo Silva
I would like to know if someone has the TEP105 (TEP 105: Low Power Listening). The link http://www.tinyos.net/tinyos-2.x/doc/html/tep105.html is broken. Any additional information about B-MAC/LPL implementation over CC1000/Tinyos 1.1.4 (or sup

[Tinyos-help] How to disable the overhearing mechanism?

2009-07-23 Thread Agnelo Silva
How to disable the overhearing mechanism of the native B-MAC implementation? Platform: TinyOS 1.1 - Mica2 Regards, Agnelo Rocha da Silva ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman

[Tinyos-help] Sniffer tools for WSNs

2009-05-08 Thread Agnelo Silva
This topic is being opened with the unique proposal of collecting the experiences from the TOS users related to "Sniffer" tools for WSNs. I started with a simple question. In the Moteworks package from Crossbow Inc., we have the XSniffer 1.0. However, it is a T1-based tool and it is not capturing

[Tinyos-help] Serial forwarder, C compilation => integration with external 9script) programs

2009-03-19 Thread Agnelo Silva
ll messages, from all WSNs, to a PC-based server. Regards, Agnelo Rocha da Silva Research Assistant - Wireless Sensor Networks Laboratory University of Nebraska-Lincoln (UNL) 2009/3/16 Michael Schippling > What's doing the radio reception? > MS > > Agnelo Silva wrote: > &

[Tinyos-help] Serial forwarder C compilation => what are the requirements?

2009-03-16 Thread Agnelo Silva
I am using a small device (Linux-Debian embedded) which does not have any TinyOS software. This device will work as a base-station and I my intention is to avoid the addition of external packages, e.g. TinyOS. My idea is to only use the Serial Forwarder (C version, TinyOS 2.x) on the device to inte

[Tinyos-help] Control the timing of the ADC measurement

2009-02-13 Thread Agnelo Silva
I am developing a driver for a sensor (MICA2, MDA-100, and XUbuntu/TinyOS2.x) and I am using the sample code from TestSerial and a "call Read.read();" as the base for this development. By default, the behavior of the software is exactly as expected: every 100ms it gets the environment's light meas

Re: [Tinyos-help] wireless communication speed

2009-02-12 Thread Agnelo Silva
I have a similar scenario happening with me (MICA2 mote and TinyOS 1.x). I developed a software that permits different configurations for the experiments (total number of bytes per packet and timeout between the transmission of each packet are some of the parameters). Even with timeout equals zero

Re: [Tinyos-help] Mote-PC serial communication and SerialForwarder

2009-02-06 Thread Agnelo Silva
Andrew, as you are using MICA2 probably with MIB-520, the listening (debug) port is the second one (ttyUSB1). Try this command: "$ java net.tinyos.tools.Listen -comm serial@/dev/ttyUSB1:mica2" Regards, Agnelo Rocha da Silva Research Assistant - Wireless Sensor Networks Laboratory University of

Re: [Tinyos-help] OFF-TOPIC: How to find a flat-cable (51-pin Hirose connector)?

2008-11-20 Thread Agnelo Silva
Carlos, thank you for the information. In fact, I was going in this direction you mentioned, but I was not sure if the distance formed by a male/female soldered connectors would be sufficient, but with your comment, I definitely go in this way for the major part of my WSN testbed solution. Sandip

Re: [Tinyos-help] OFF-TOPIC: How to find a flat-cable (51-pin Hirose connector)?

2008-11-19 Thread Agnelo Silva
cobble something together if that sounds > like something you want. > > MS > > Agnelo Silva wrote: > >> I need to connect a sensor board (MTS310) to the MicaZ and also use the >> programming board MIB520, but it is not mechanically feasible. >> I saw, in the

[Tinyos-help] OFF-TOPIC: How to find a flat-cable (51-pin Hirose connector)?

2008-11-18 Thread Agnelo Silva
I need to connect a sensor board (MTS310) to the MicaZ and also use the programming board MIB520, but it is not mechanically feasible. I saw, in the past, a picture of a flat-cable 51-pin male-female used exactly for this purpose. Any idea about the name of this cable and where to buy? Any other so

[Tinyos-help] MICA2/MICAz: reading external voltage (0 to 1VDC) directly from an ADC pin of 51-pin connector

2008-10-20 Thread Agnelo Silva
I saw many projects using a "data acquisition" board (like MDA-300) for external voltage readings. There are many scenarios that I would also such board. But, what I am wanting now in my project is something very simple and I am wondering if I really need to purchase such data acquisition board.

Re: [Tinyos-help] Usb to serial port converter,USB port ID

2008-09-16 Thread Agnelo Silva
I am supposing that your are using Linux and MIB-520: use the command dmesg when you plug and unplug the MIB-520; you will see the messages related to the "serial ports" ttyUSBX and ttyUSBY (the smaller, in general, is for programming, and the other is for debugging purposes). Examples: make mica2

[Tinyos-help] [OFF-TOPIC] Higher Transmit Power transceivers for 300-900 MHz frequencies

2008-08-22 Thread Agnelo Silva
ke to know if somebody heard, or have suggestions, about any transceiver in the market that goes beyond +10dBm for RF TX Power. The second related question: if I develop my own hardware solution for a mote, what is the better approach to make it "TinyOS compatible"? R

[Tinyos-help] TOSH_DATA_LENGTH - size limit of 150 [TinyOS 1.x]

2008-07-17 Thread Agnelo Silva
ssible low level 'stuff' that could be added by the link and physical layers. Any tip or suggestion about additional reading here would be very appreciated. My scenario: CYGWIN/T1 or Xubuntos/T1, mica2. []s, Agnelo Silva ___ Tinyos-help mail

Re: [Tinyos-help] Need for constant Battery readings for RSSI "conversion" ? [Mica2, T1 or T2 question]

2008-07-14 Thread Agnelo Silva
e values with some distortion. This distortion is only irrelevant if the battery conditions are the same for all the motes receiving the packets (for example, starting an experiment with a brand new/same model batteries for all motes). What do you (and the list) think? []s, Agnelo Silva On Mo

Re: [Tinyos-help] Need for constant Battery readings for RSSI "conversion" ? [Mica2, T1 or T2 question]

2008-07-14 Thread Agnelo Silva
the mote which received the packet. So, if the battery level of the mote is not considered (or "fixed" in 3V) in our samples, it means that our set of measures are not accurate as desired. I would like to confirm if I am right or not in this point. []s, Agnelo Silva On Mon, Jul 14, 20

[Tinyos-help] Need for constant Battery readings for RSSI "conversion" ? [Mica2, T1 or T2 question]

2008-07-14 Thread Agnelo Silva
I am preparing the code to make the conversion of the "raw" RSSI value available in received message (indirectly a reading from ADC INPUT 0 - RSSI MONITOR). Although, I am developing using T1 (TinyOS 1.x), I read the T2 doc http://docs.tinyos.net/index.php/Rssi_Demo and noted the same thing I obser

[Tinyos-help] TinyOS 2.0 and XSniffer - "WSN Analyzer"

2008-07-08 Thread Agnelo Silva
I have been using XSniffer with TinyOS 1.x's applications successfully. But now I developed other application for the motes using TinyOS 2.02 the XSniffer can't capture nothing. Is it right? Did the format of the TOS packet change in T2? In this case, any suggestion of good sniffer tool for t

[Tinyos-help] How to just compile and also pass the moteID?

2008-06-25 Thread Agnelo Silva
lation at all). []s Agnelo Silva ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help

[Tinyos-help] Cross-platform communication (MicaZ, TelosB, Imote2)

2008-06-22 Thread Agnelo Silva
Having the same transceiver (for example, CC2420) does not mean that the communication will be [easily] feasible between the motes. Any suggestion/tip about this topic? ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millenniu

[Tinyos-help] Tinyos-2 tutorial - Lesson 15 - Debug with printf - resynchronizing message

2008-06-13 Thread Agnelo Silva
ain]serial@/dev/ttyUSB0:57600: *resynchronising* It stay on *resynchronising* and i haven't message. Have you got any solution to solve this problem? How means Thread[Thread-1,5,main]? []s, Agnelo Silva ___ Tinyos-help mailing list Tinyos-help@mil